US4926612A - Machine for inserting mail into envelopes - Google Patents

Machine for inserting mail into envelopes Download PDF

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Publication number
US4926612A
US4926612A US07/380,238 US38023889A US4926612A US 4926612 A US4926612 A US 4926612A US 38023889 A US38023889 A US 38023889A US 4926612 A US4926612 A US 4926612A
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United States
Prior art keywords
mail
wheels
envelope
backing
item
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Expired - Lifetime
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US07/380,238
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English (en)
Inventor
Marek Krasuski
Bernard Prugnolle
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Alcatel Satman SA
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Alcatel Satman SA
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Assigned to SOCIETE ANONYME DITE : ALCATEL SATMAM reassignment SOCIETE ANONYME DITE : ALCATEL SATMAM ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: KRASUSKI, MAREK, PRUGNOLLE, BERNARD
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43M—BUREAU ACCESSORIES NOT OTHERWISE PROVIDED FOR
    • B43M3/00—Devices for inserting documents into envelopes
    • B43M3/04—Devices for inserting documents into envelopes automatic
    • B43M3/045—Devices for inserting documents into envelopes automatic for envelopes with only one flap

Definitions

  • the present invention relates to machines for inserting mail into envelopes.
  • Such machines are already known. They are used as office machines for preparing mail for posting, or else they form a part of a larger installation for automatically processing large volumes of mail and further including a machine for folding and/or collating, and a machine for closing filled envelopes.
  • Envelope body opening fingers are used to open the body of the envelope held in the filling position in order to facilitate inserting the mail. These fingers are mounted at the front of the filling position and are normally retracted. In order to insert mail, they are actuated into an envelope body opening position and penetrate partially into the envelope body.
  • the above-mentioned set of backing wheels is advantageously retractably mounted facing the set of wheels, and is put into the retracted position as soon a the set of wheels is no longer driven in order to allow the fingers in the opening position to take effect.
  • the object of the present invention is to enable mail to be fully inserted into envelopes using a mechanism which is very simple and which avoids the above-mentioned drawbacks of bulkiness and difficulty of assembly.
  • the present invention provides a machine for inserting mail into envelopes, the machine comprising:
  • a first set of wheels and an associated first set of backing wheels for bringing an envelope to a defined "filling" position and presenting it facing a mail path;
  • mail advance means on the mail path for advancing an item of mail towards the envelope in the filling position
  • envelope body opening means controlled to move from a retracted position to an opening position when the envelope is in said filling position
  • said first set of backing wheels is coupled via a freewheel mechanism to said mail advance means in order to be driven therewith, said advance means themselves being mounted at a distance from said first set of backing wheels which is less than the length of the items of mail to be inserted in the envelopes;
  • the machine also includes first detector means for detecting partial insertion of an item of mail into an envelope, said detection means being coupled to said means for actuating the first set of backing wheels to return them to their presser position, thereby ensuring that the item of mail is fully inserted into the envelope.
  • the mail advance means may include a pair of second sets of wheels pressing against each other mounted at the outlet from the mail path and coupled to the first sets of wheels and backing wheels by a fixed mail guide plate.
  • the first set of backing wheels may be carried by a pair of arms hinged to the axis of one of the second sets of wheels.
  • the pair of arms may carry a control spacer shaft resiliently bearing against a control cam having two profiles around its periphery centered substantially opposite each other for holding the first set of backing wheels in the presser position and alternatively with two second profiles for holding the first set of backing wheels in the retracted position.
  • FIG. 1 is a fragmentary elevation view showing an insertion machine of the invention diagrammatically.
  • reference 1 designates a path for empty envelopes to be filled and reference 2 designates a path for mail.
  • Arrow 1A indicates the advance direction for reach envelope along the path 1
  • arrow 2A indicates the advance direction for each item of mail along the path 2.
  • a first set of wheels 3 and an associated first set of presser backing wheels 4 define the filling position at the end of the path 1. They are mounted facing the mail path 2.
  • the first set of wheels 3 is rotated in the direction of arrow 3A, and together with its set of presser backing wheels 4 it serves to convey each envelope into its filling position.
  • the first set of wheels 3 is stopped when the envelope arrives with the join line between its body and its flap (previously folded open) situated between the first set of wheels 3 and the first set of backing wheels 4.
  • a second pair of sets of wheels 5 and 6, said sets pressing against each other, is situated upstream from the sets of wheels and backing wheels 3, 4 on the path 1 and serves to hold the previously folded open flap of the envelope.
  • These sets of wheels and backing wheels 3, 4 and of upstream wheels 5 and 6 thus serve to present each envelope in the filling position and to hold it in this position during the filling operation.
  • a "envelope" motor 7 advances the envelopes along the path 1 until they reach the filling position. It drives the sets of wheels 3 and 5. After filling, it is used for ejecting each envelope.
  • the mail path 2 is fitted with its own means for advancing mail therealong.
  • These mail advance means comprise, in particular, a third pair of sets of wheels 8 and 9 pressing against each other and situated at the outlet from the mail path 2.
  • Resilient means (not shown) keep the set of wheels 8 pressing against the set of wheels 9.
  • This third pair of sets of wheels 8 and 9 is mounted at a distance from the sets of wheels and backing wheels 3, 4 which is less than the length of the items of mail.
  • the sets of wheels 8 and 9 thus directly insert each item of mail some way into the envelope presented in the filling position.
  • a fixed guide plate 10 is mounted between the set of wheels 8 and the set of backing wheels 4 in order to guide each item of mail while it is being inserted.
  • a backing plate 11 between the set of wheels 9 and the set of wheels 3 is associated therewith.
  • the sets of wheels 8 and 9 are both shown as being driven. Arrows 8A and 9A show their directions of rotary drive. In a variant, only one of these sets of wheels is driven, in which case the bottom set of wheels 8 is the driven set.
  • a "mail" motor 12 is coupled to the set of wheels 8, and optionally also to the set of wheels 9.
  • the set of backing wheels 4 is mounted to be slightly retractable from the set of wheels 3.
  • envelope body opening fingers 13 are associated with these sets of wheels and backing wheels 3 and 4.
  • the fingers 13 are normally mounted in a retracted position ahead of the wheels and the backing wheels 3 and 4, beneath the mail guide plate 10. They are actuated in the direction of arrow 13A when the backing wheels 4 are retracted so as to occupy an opening position for penetrating between the wheels 3 and the backing wheels 4 into the body of the envelope.
  • a cam 14 is used for controlling the backing wheels 4 so as to move them between their position where they press against the wheels 3, and their retracted position.
  • Another cam 15 is used for controlling the fingers 13 to move them between their retracted position ahead of the wheels 3 and backing wheels 4, and their opening position.
  • These two cams are mounted on a common controlling drive shaft 16.
  • the drive shaft is driven by its own stepper motor control circuit 17 in the direction of arrow 16A, and serves to advance the cams synchronously with the various stages of an insertion cycle.
  • a pair of pivotally mounted arms 20 serve to actuate the set of backing wheels 4 carried thereby.
  • Each of these arms carries a cam-follower wheel 21 which bears against the cam 14.
  • a pair of hinged levers 22 actuates the fingers 13.
  • Each of these levers carries a cam-follower wheel 23 bearing against the cam 15.
  • Each of these cams 14 and 15 is constituted by a pair of cams, one pair for the pair of arms 20 and the other for the pair of levels 22.
  • the hinge axis of the arms 20 is referenced 20A and the hinge axis of the levers 22 is referenced 22A.
  • the set of backing wheels 4 is coupled to the set of mail advance wheels 8.
  • a belt transmission 25 (sketched in lightly to avoid overcrowding the figure) couples the set of wheels 8 to a freewheel mechanical 26 mounted on the shaft for the set of backing wheels 4.
  • Tensioning wheels (not shown) are associated with the belt 25 in order to keep it at constant tension, regardless of whether the set of backing wheels 4 is in its retracted position or in its pressure-applying position against the set of wheels 3.
  • Arrow 4A shows the rotary drive applied to the set of backing wheels 4, either by friction against the set of driven wheels 3, or else by coupling to the set of wheels 8.
  • the pair of arms 20 carrying the set of backing wheels 4 has its hinge axis 20A directly defined by the shaft of the mail advance set of wheels 8.
  • This pair of arms 20 extends laterally on either side of the mail guide plate 10. It couples the set of backing wheels 4 mechanically with the set of mail advance wheels, with the backing wheels pivoting about the axis of the mail advance wheels.
  • each arm 20 has a terminal shoulder which is not referenced.
  • a control shaft 30 is mounted as a spacer shaft between the pair of arms 20 and passes through the shoulder of each of them. This shaft 30 extends beyond side plates of the machine such as side plate 31. At each of its ends, this shaft carries the abovementioned wheel 21 bearing against a cam 14.
  • a substantially vertical small window 31A is provided in each of the end plates 31 in order to enable the control shaft 30 to slide when it receives control motion from the cam 14.
  • Arrow 20F represents the pivoting of the pair of arms 20 about its hinge axis 20A.
  • each of the arms 20 has a projecting finger 32 extending transversely to its shoulder and in the proximity of the window 31A through which the shaft 30 slides.
  • a hairpin spring 33 is mounted on the finger 22 having a terminal length which constitutes a thrust abutment against the control shaft 30 while its opposite other terminal length is fixed to the edge of the support arm 20.
  • This spring thus keeps the wheel 21 pressed against the cam 14, and also keeps resilient pressure between the set of backing wheels 4 and the set of wheels 3, thereby making allowance for items of mail having different thicknesses.
  • the periphery of the cam 14 has two profiles 14A and 14C centered substantially opposite each other for putting the set of backing wheels 4 into the presser position and for maintaining it there, with these profiles alternating with two other profiles 14B and 14C for putting the set of backing wheels 4 into the retracted position and maintaining it there.
  • the periphery of the cam 15 has only one profile 15A for putting the fingers 13 into the retracted position and one other profile 15B for putting the fingers 13 into the opening position.
  • profiles on the cams 14 and 15 extend over specific angular sectors depending on the control effects they are to have.
  • Each of the profiles 14A, 14B, and 14D corresponds to an angular sector of 60°, whereas the profile 14C extends over an angle of close to 180°.
  • Profile 15A extends over an angular sector of close to 240° and profile 14B over a sector close to 120°.
  • these cams are positioned relative to each other so that the wheel 21 begins making contact with profile 14A when the wheel 23 is situated substantially three quarters of the way along the profile 15A. With the cams in this relative position, as shown, the drive shaft 16 is in a reference or "rest" position. This position is flagged by a disk 18 having a notch 18A associated with a detector mounted as an optical sender/receiver fork and indicated at 19. The detector 19 serves to stop drive being applied to the shaft 16 and the cams 14 and 15.
  • a detecting lever 35 is used for detecting each item of mail while it is being inserted.
  • This lever is hinged about an axis 35A.
  • One of its ends 35B passes through the guide plate 10 to constitute an obstacle in front of the set of wheels 3 and the set of backing wheels 4.
  • Its opposite end 35C forms a detector flag.
  • An optical detector represented by 36 detects the flag 35 and indicates whether or not an item of mail is being inserted beneath its end 35B.
  • This instant at which the item of mail has been fully inserted is preferably signalled by the end 35B of the lever 35 returning to its obstacle position, with this return still being detected by the flag 35C and the detector 36.
  • This detector assembly 35-36 controls the circuit 35 and also controls the mail motor 12, via a selected time delay or via an up/down counter (not shown) for counting unit advance displacements of the time of mail with the counter being triggered by the detector detecting the item of mail, thereby ensuring that the motor 12 is stopped when the item of mail is fully inserted into the envelope.
  • the drive shaft 16 for the cams 14 and 15 is rotated from its rest position as given by the disk 18 and its associated detector 19, whenever an envelope advances towards the filling position.
  • the motor 7 is stopped and the envelope is thus held for insertion of an item of mail.
  • the wheel 21 rests on profile 14A while the wheel 23 is on profile 15A.
  • the wheel 21 moves onto profile 14B and the wheel 23 onto profile 15B.
  • the profile 14B causes the set of backing wheels 4 to take up the retracted position, while the profile 15B causes the fingers 13 to take up the envelope body opening position.
  • the mail motor 12 is driven, after an appropriate time delay, once the envelope has reached the filling position. It advances an item of mail along the path 2 upstream from the set of wheels 8 and 9, and then the item of mail is caused to advance by the set of wheels 8 and 9 onto the guide plate 10 so as to go between the wheels 3 and the backing wheels 4, and thus into the envelope. During this advance, the wheel 21 rests against profile 14B: the backing wheels 4 are driven together with the advance wheels 8, but they are in the retracted position; they therefore have no effect on the mail.
  • the detector assembly 35, 36 While the mail is advanced on the guide plate 10, the detector assembly 35, 36 detects the presence of mail being inserted. From this detection instant, the control circuit 17 determines the instant when the item of mail is partially inserted into the envelope. The detector assembly 35, 36 also serves to stop the motor 12 when the mail is fully inserted into the envelope, thereby stopping the backing wheels 4.
  • the filled envelope is ejected along the direction of arrow 1B by switching back on the envelope motor 7 while the profile 14C continues to keep the set of backing wheels 4 in the presser position.
  • the wheel 21 passes over the profile 14D and the set of backing wheels 4 returns to the retracted position.
  • This allows the filled envelope to be processed while it is being ejected, so that each envelope can be driven in the reverse direction, i.e. in the opposite direction to arrow 1B, in which case the set of backing wheels 4 should have no effect.
  • the filled envelope is again driven in the direction of arrow 1B and the wheel 21 passes onto profile 14A in order to return the set of backing wheels to the presser position.
  • the control circuit 17 for the shaft 16 having a controlled stepper motor serves to ensure that the cams advance synchronously with with the various stages of the insertion cycle.
  • the shaft 16 returns to its reference position, as detected by the detector 19, it is again stopped. It is driven through one more full turn for each new insertion cycle.
  • this insertion machine of the present invention lies in the simplicity of the insertion mechanism and of its control, the ease with which they can be assembled, and the very small amount of space they occupy.
  • the mechanism and its control are very robust and they operate reliably.
  • the mechanism has low inertia.

Landscapes

  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Container Filling Or Packaging Operations (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
US07/380,238 1988-07-27 1989-07-17 Machine for inserting mail into envelopes Expired - Lifetime US4926612A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8810121 1988-07-27
FR8810121A FR2634692B1 (fr) 1988-07-27 1988-07-27 Dispositif d'insertion de plis dans des enveloppes

Publications (1)

Publication Number Publication Date
US4926612A true US4926612A (en) 1990-05-22

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ID=9368829

Family Applications (1)

Application Number Title Priority Date Filing Date
US07/380,238 Expired - Lifetime US4926612A (en) 1988-07-27 1989-07-17 Machine for inserting mail into envelopes

Country Status (4)

Country Link
US (1) US4926612A (fr)
EP (1) EP0352687B1 (fr)
DE (1) DE68905545T2 (fr)
FR (1) FR2634692B1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5255498A (en) * 1990-11-02 1993-10-26 Pitney Bowes Inc. Envelope stuffing apparatus
US5802808A (en) * 1997-07-17 1998-09-08 Pitney Bowes Inc. Envelope throat opening mechanism for inserting machine
US6032122A (en) * 1997-03-14 2000-02-29 Bell & Howell Mail And Messaging Technologies Company Systems, methods and computer program products for monitoring and controlling mail processing devices
WO2000058116A1 (fr) * 1999-03-25 2000-10-05 Bell & Howell Gmbh Dispositif permettant de manipuler des articles en forme de feuilles
US6494019B1 (en) 2000-02-22 2002-12-17 Jeffrey A. Lingle High speed envelope inserter
NL1027933C2 (nl) * 2004-12-31 2006-07-03 Neopost Sa Inrichting voor het couverteren van documenten.
NL1027937C2 (nl) * 2004-12-31 2006-07-03 Neopost Sa Compacte couverteermachine.
US20090000254A1 (en) * 2004-10-01 2009-01-01 Gianfranco Passoni Method for Automatically Providing Covers for Compact Items, in Particular Documents, and Device Therefor
US20100319300A1 (en) * 2009-04-24 2010-12-23 Neopost Technologies Envelope inserting apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4407871C2 (de) * 1994-03-04 1997-08-21 Francotyp Postalia Gmbh Anordnung zur steuerbaren optionalen Zuführung von Füllgut zu einer Kuvertiereinrichtung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2771726A (en) * 1953-09-10 1956-11-27 Pitney Bowes Inc Sheet handling and envelope stuffing machine
GB1237872A (en) * 1967-07-07 1971-06-30 Business Aid Inv S Ltd Improvements in or relating to machines for inserting paper sheets into envelopes
US4418515A (en) * 1980-11-26 1983-12-06 Pitney Bowes Inc. Inserter gauging system
GB2183214A (en) * 1985-11-11 1987-06-03 Sanz Jose Antonio Martinez Apparatus for placing sheets, such as letters, in envelopes

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2771726A (en) * 1953-09-10 1956-11-27 Pitney Bowes Inc Sheet handling and envelope stuffing machine
GB1237872A (en) * 1967-07-07 1971-06-30 Business Aid Inv S Ltd Improvements in or relating to machines for inserting paper sheets into envelopes
US4418515A (en) * 1980-11-26 1983-12-06 Pitney Bowes Inc. Inserter gauging system
GB2183214A (en) * 1985-11-11 1987-06-03 Sanz Jose Antonio Martinez Apparatus for placing sheets, such as letters, in envelopes

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5255498A (en) * 1990-11-02 1993-10-26 Pitney Bowes Inc. Envelope stuffing apparatus
US6032122A (en) * 1997-03-14 2000-02-29 Bell & Howell Mail And Messaging Technologies Company Systems, methods and computer program products for monitoring and controlling mail processing devices
US5802808A (en) * 1997-07-17 1998-09-08 Pitney Bowes Inc. Envelope throat opening mechanism for inserting machine
WO2000058116A1 (fr) * 1999-03-25 2000-10-05 Bell & Howell Gmbh Dispositif permettant de manipuler des articles en forme de feuilles
GB2353779A (en) * 1999-03-25 2001-03-07 Bell & Howell Co Device for handling objects in sheet form
GB2353779B (en) * 1999-03-25 2002-10-02 Bell & Howell Co Device for handling objects in sheet form
US6751929B1 (en) 1999-03-25 2004-06-22 Pitney Bowes Deutschland Gmbh Device for handling objects in sheet form
US6494019B1 (en) 2000-02-22 2002-12-17 Jeffrey A. Lingle High speed envelope inserter
US20090000254A1 (en) * 2004-10-01 2009-01-01 Gianfranco Passoni Method for Automatically Providing Covers for Compact Items, in Particular Documents, and Device Therefor
US8590280B2 (en) * 2004-10-01 2013-11-26 Bowe Systec Gmbh Method and apparatus for inserting objects into opened envelopes
NL1027933C2 (nl) * 2004-12-31 2006-07-03 Neopost Sa Inrichting voor het couverteren van documenten.
US7401448B2 (en) 2004-12-31 2008-07-22 Neopost Technologies, French Limited Company Apparatus for inserting documents into envelopes
EP1676716A3 (fr) * 2004-12-31 2008-10-29 Neopost S.A. Pliage et guidage dans une machine d'insertion
US20060144016A1 (en) * 2004-12-31 2006-07-06 Herman Sytema Apparatus for inserting documents into envelopes
EP1676718A3 (fr) * 2004-12-31 2010-01-27 Neopost S.A. Guidage en bande rétractable d'un dispositif d'insertion de documents dans des enveloppes
NL1027937C2 (nl) * 2004-12-31 2006-07-03 Neopost Sa Compacte couverteermachine.
US20100319300A1 (en) * 2009-04-24 2010-12-23 Neopost Technologies Envelope inserting apparatus
US8312698B2 (en) * 2009-04-24 2012-11-20 Neopost Technologies Envelope inserting apparatus

Also Published As

Publication number Publication date
DE68905545T2 (de) 1993-07-01
EP0352687B1 (fr) 1993-03-24
FR2634692B1 (fr) 1990-09-14
EP0352687A1 (fr) 1990-01-31
DE68905545D1 (de) 1993-04-29
FR2634692A1 (fr) 1990-02-02

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